Portable workbench



FIG. 1 is a perspective view of a portable workbench according to the present invention;

FIG. 2 is a left side view of the portable workbench of FIG. 1;

FIG. 3 is a right side view of the portable workbench of FIG. 1;

FIG. 4 is a top view of the portable workbench of FIG. 1;

FIG. 5 is a bottom view of the portable workbench of FIG. 1;

FIG. 6 is an elevated front view of the portable workbench of FIG. 1; and,

FIG. 7 is an elevated rear view of the portable workbench of FIG. 1. 

The ornamental design for a portable workbench, as shown and described. 